This post was contributed by Roy Walmsley, Director of theInternational Centre for Prison Studies’world-renowned World Prison Brief. In November ICPS was merged with the Institute for Criminal Policy Research in Birkbeck’s School of Law.The aim of the World Prison Brief (WPB) is to enable more well-informed discussion about appropriate levels of imprisonment and about issues such as the use of imprisonment for women, the use of pre-trial imprisonment and the problems of prison overcrowding; and to contribute to the making of sound evidence-based decisions by all who are endeavouring to improve prison systems worldwide.The WPB was launched in September 2000. It contributes to the knowledge base on the use of imprisonment by giving details of prison population levels in over 220 independent countries and dependent territories. It shows the variations in practice in different countries, regions and continents and makes it possible to estimate the world prison population total (over 10 mil...
